Matt West matt-west
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| /** | |
| * @fileoverview Pearson correlation score algorithm. | |
| * @author [email protected] (Matt West) | |
| * @license Copyright 2013 Matt West. | |
| * Licensed under MIT (http://opensource.org/licenses/MIT). | |
| */ | |
| /** | |
| * Calculate the person correlation score between two items in a dataset. |
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| def pearson(prefs, p1, p2): | |
| si={} | |
| for item in prefs[p1]: | |
| if item in prefs[p2]: si[item]=1 | |
| n=len(si) | |
| if n==0: return 0 | |
| sum1=sum([prefs[p1][it] for it in si]) |
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| def pearson(x,y) | |
| n=x.length | |
| sumx=x.inject(0) {|r,i| r + i} | |
| sumy=y.inject(0) {|r,i| r + i} | |
| sumxSq=x.inject(0) {|r,i| r + i**2} | |
| sumySq=y.inject(0) {|r,i| r + i**2} | |
| prods=[]; x.each_with_index{|this_x,i| prods << this_x*y[i]} |
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| package main | |
| import ( | |
| "fmt" | |
| "math" | |
| ) | |
| type Film struct { | |
| Film string | |
| P1 int |
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| # A dictionary of movie critics and their ratings of a small | |
| # set of movies | |
| critics={'Lisa Rose': {'Lady in the Water': 2.5, 'Snakes on a Plane': 3.5, | |
| 'Just My Luck': 3.0, 'Superman Returns': 3.5, 'You, Me and Dupree': 2.5, | |
| 'The Night Listener': 3.0}, | |
| 'Gene Seymour': {'Lady in the Water': 3.0, 'Snakes on a Plane': 3.5, | |
| 'Just My Luck': 1.5, 'Superman Returns': 5.0, 'The Night Listener': 3.0, | |
| 'You, Me and Dupree': 3.5}, | |
| 'Michael Phillips': {'Lady in the Water': 2.5, 'Snakes on a Plane': 3.0, | |
| 'Superman Returns': 3.5, 'The Night Listener': 4.0}, |
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| # Returns a distance-based similarity score for p1 vs p2 | |
| def euclidean_distance(prefs, p1, p2) | |
| si = [] # Empty array for films that can be compared (both user's have rated) | |
| prefs[p1].each do |item| # Loop through each rating for p1 | |
| prefs[p2].each do |p2_film| # Loop through each rating for p2 | |
| if item[0] == p2_film[0] # If both people have rated this film add it to the films array | |
| si << item[0] | |
| end | |
| end |
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| /** | |
| * @fileoverview Utility for parsing the parameters from a URL. | |
| * @author [email protected] (Matt West) | |
| * @license Copyright 2013 Matt West. | |
| * Licensed under MIT (http://opensource.org/licenses/MIT). | |
| */ | |
| /** | |
| * Parse the params from a given url and returns an object consisting of |
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| <!DOCTYPE html> | |
| <html lang="en-US" prefix="og: http://ogp.me/ns#"> | |
| <head> | |
| <meta charset="utf-8"> | |
| {% if is_home %} | |
| <title>{{ site.name }}</title> | |
| {% elif is_post %} | |
| <title>{{ post.title }} by {{ site.author }} of Koji Labs</title> | |
| {% elif is_link %} | |
| <title>{{ link.title }} | {{ site.name }}</title> |
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| <script>document.write('<script src="http://' + (location.host || 'localhost').split(':')[0] + ':35729/livereload.js?snipver=1"></' + 'script>')</script> |
matt-west
/ st3 user prefs
Created
December 3, 2013 14:47
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| { | |
| "color_scheme": "Packages/Color Scheme - Default/Solarized (Dark).tmTheme", | |
| "dictionary": "Packages/Language - English/en_GB.dic", | |
| "font_size": 11, | |
| "ignored_packages": [ | |
| "Vintage" | |
| ], | |
| "afn_use_project_root": true, | |
| "afn_proj_root": "../", | |
| "afn_valid_scopes": [ |